Home / 1,028,312.16-1,542,451.68-280,358.16

Finding the Fourth Proportional to 1,028,312.16, 1,542,451.68 and 280,358.16

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Solution

The fourth proportional to 1,028,312.16, 1,542,451.68 and 280,358.16 is: 420,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,312.16 : 1,542,451.68 = 280,358.16 : x
  2. Step 2: Convert to fraction form
    1,028,312.16/1,542,451.68 = 280,358.16/x
  3. Step 3: Cross multiply
    1,028,312.16x = 1,542,451.68 × 280,358.16
  4. Step 4: Simplify right side
    1,028,312.16x = 432,438,914,893.71
  5. Step 5: Solve for x
    x = 432,438,914,893.71/1,028,312.16
  6. Step 6: Final answer
    x = 420,532.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.